Study the effect of different dyeing conditions of extracted natural dye from leaves of neem on silk fabrics

IF 1.8 Q3 CHEMISTRY, ANALYTICAL Journal of Chemical Metrology Pub Date : 2018-06-06 DOI:10.25135/JCM.12.18.01.061
Nabawia A. r Abdel-Zahe, Manal T. H. Moselhey, O. W. Guirguis
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引用次数: 5

Abstract

The aim of the present work was to evaluate the effect of artificial day light for 160 h on silk fabrics dyeing with different conditions such as; different dye bath pH values, different dyeing temperatures, and different dyeing times; of extracted natural dye from Azadirachta indica (neem) leaves. The reflectance spectra of the untreated and treated silk fabrics were followed using spectrophotometer technique. The effects of dyeing conditions in the optical parameters, such as; CIE tristimulus values, color parameters, absorption coefficient as well as extinction coefficient and color strength, were determined before and after exposure. The obtained results indicate that the silk fabrics were found to be highly dependent on either of these different dyeing conditions and/or artificial day light exposure. Also, variations in the values of the optical band gap energy were detected. Improvement in the dyeing process were produced which may be attributed to the induced structural change due to the variation in the chemical bonds in silk fabrics. The present work gives the chance to produce a new traditional natural dye to meet the environmental future demands technology of high quality fantastic dyed pattern.
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研究了印楝叶提取天然染料不同染色条件对真丝织物的染色效果
本工作的目的是评价人工日光160h对不同条件下丝绸织物染色的影响,如:;不同的染浴pH值、不同的染色温度和不同的染色时间;从印楝叶中提取的天然染料。采用分光光度计技术对未经处理和经处理的丝绸织物的反射光谱进行了跟踪。染色条件对光学参数的影响,如:;在曝光前后测定CIE三刺激值、颜色参数、吸收系数以及消光系数和颜色强度。所获得的结果表明,发现丝绸织物高度依赖于这些不同的染色条件和/或人工日光暴露。此外,还检测到光学带隙能量的值的变化。染色工艺的改进可能归因于丝绸织物中化学键的变化引起的结构变化。本工作为生产一种新的传统天然染料提供了机会,以满足环境未来对高质量梦幻染色图案技术的要求。
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来源期刊
Journal of Chemical Metrology
Journal of Chemical Metrology CHEMISTRY, ANALYTICAL-
CiteScore
2.30
自引率
15.40%
发文量
7
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